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Finding the Fourth Proportional to 202.73, 280.02 and 166.34

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Solution

The fourth proportional to 202.73, 280.02 and 166.34 is: 229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.73 : 280.02 = 166.34 : x
  2. Step 2: Convert to fraction form
    202.73/280.02 = 166.34/x
  3. Step 3: Cross multiply
    202.73x = 280.02 × 166.34
  4. Step 4: Simplify right side
    202.73x = 46,577.13
  5. Step 5: Solve for x
    x = 46,577.13/202.73
  6. Step 6: Final answer
    x = 229.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.